|
| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 |
| Bituminous/oil shale & tar sands | | | $9,053 | $55,877 | $2,186 | $10,553 | $4,997 |
| Bitumen & asphalt, nat.; asphaltites & asphaltic rocks | $282,235 | $1,131,588 | $1,230,836 | $649,971 | $386,665 | $475,990 | $478,894 |
| Total | $282,235 | $1,131,588 | $1,239,889 | $705,848 | $388,851 | $486,543 | $483,891 |
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